Selected Variables
base: Code of the patient
covariates:
- Age
- Gender
- Site
- Prior Spine Surgery
- '1st surgeon: experience in ASD surgery'
- ASA classification
- Decompression
- Osteotomy
- 3CO
- SPOs
- BMI_First Visit
- Tobacco use_First Visit
- Osteoporosis / osteopenia
- Levels Previously operated - Lower
- LGap
- RLL
- Number of Interbody Fusions
- 'Posterior Instrumented Fusion: Upper / Lower Levels'
- Alif
- LL-Lordosis Difference
outcomes_ql:
- 2Y. ODI - Score (%)
- 2Y. SRS22 - SRS Subtotal score
- 2Y. SF36 - MCS
- 2Y. SF36 - PCS
outcomes_radiology:
- 6W. Major curve Cobb angle
- 1Y. Major curve Cobb angle
- 6W. T1 Sagittal Tilt
- 1Y. T1 Sagittal Tilt
- 6W. Sagittal Balance
- 1Y. Sagittal Balance
- 6W. Global Tilt
- 1Y. Global Tilt
- 6W. Lordosis (top of L1-S1)
- 1Y. Lordosis (top of L1-S1)
- 6W. LGap
- 1Y. LGap
- 6W. Pelvic Tilt
- 1Y. Pelvic Tilt
predictive:
- Weight (kgs)_First Visit
- Height (cm)_First Visit
- Total surgical time st1+st2+st3
- Osteotomy
- Alcohol/drug abuse
- Anemia or other blood disorders
- Osteoarthritis
- Mild vascular
- Depression / anxiety
- Diabetes with end organ damage
- Cardiac
- Hypertension
- Chronic pulmonary disease
- Nervous system disorders
- Renal
- Peripheral vascular disease
- Psychiatric / Behavioral
- Peptic ulcer
- Bladder incontinence
- Bowel incontinence
- Leg weakness
- Loss of balance
- NRS back - Leg pain - Average
- Tobacco use_First Visit
- Years with spine problems
- ODI - Score (%)_First Visit
- SRS22 - SRS Total score_First Visit
- SF36 - PCS_First Visit
- SF36 - MCS_First Visit
- Major curve Cobb angle
expanded:
- Age
- Gender
- Site
- Prior Spine Surgery
- '1st surgeon: experience in ASD surgery'
- ASA classification
- Decompression
- Osteotomy
- 3CO
- SPOs
- BMI_First Visit
- Tobacco use_First Visit
- Osteoporosis / osteopenia
- Levels Previously operated - Lower
- LGap
- RLL
- Number of Interbody Fusions
- 'Posterior Instrumented Fusion: Upper / Lower Levels'
- Alif
- LL-Lordosis Difference
- Weight (kgs)_First Visit
- Height (cm)_First Visit
- Total surgical time st1+st2+st3
- Alcohol/drug abuse
- Anemia or other blood disorders
- Osteoarthritis
- Mild vascular
- Depression / anxiety
- Diabetes with end organ damage
- Cardiac
- Hypertension
- Chronic pulmonary disease
- Nervous system disorders
- Renal
- Peripheral vascular disease
- Psychiatric / Behavioral
- Peptic ulcer
- Bladder incontinence
- Bowel incontinence
- Leg weakness
- Loss of balance
- NRS back - Leg pain - Average
- Years with spine problems
- ODI - Score (%)_First Visit
- SRS22 - SRS Total score_First Visit
- SF36 - PCS_First Visit
- SF36 - MCS_First Visit
- Major curve Cobb angle
- SRS22 - SRS Subtotal score_First Visit
- T1 Sagittal Tilt
- Sagittal Balance
- Global Tilt
- Lordosis (top of L1-S1)
- Pelvic Tilt
Age
Proportion of na: 0% 
Gender
Proportion of na: 0%
|
|
Female
|
Male
|
|
No
|
342
|
91
|
|
Yes
|
51
|
18
|
Site
Proportion of na: 0%
|
|
ANK Op
|
BCN Op
|
BOR Op
|
IST Op
|
MAD Op
|
ZUR Op
|
|
No
|
12
|
71
|
168
|
20
|
34
|
128
|
|
Yes
|
0
|
32
|
16
|
10
|
10
|
1
|
Prior Spine Surgery
Proportion of na: 0.1%
|
|
NA
|
No
|
Yes
|
|
No
|
1
|
274
|
158
|
|
Yes
|
0
|
35
|
34
|
1st surgeon: experience in ASD surgery
Proportion of na: 0%
|
|
2-10 years
|
More than 10 years
|
|
No
|
109
|
324
|
|
Yes
|
7
|
62
|
ASA classification
Proportion of na: 0.5% 
Decompression
Proportion of na: 0%
|
|
No
|
Yes
|
|
No
|
240
|
193
|
|
Yes
|
44
|
25
|
Osteotomy
Proportion of na: 0%
|
|
No
|
Yes
|
|
No
|
209
|
224
|
|
Yes
|
26
|
43
|
3CO
Proportion of na: 0%
|
|
No
|
Yes
|
|
No
|
382
|
51
|
|
Yes
|
53
|
16
|
SPOs
Proportion of na: 0% 
BMI_First Visit
Proportion of na: 1.7% 
Tobacco use_First Visit
Proportion of na: 2.5%
|
|
Current
|
Ex-User
|
NA
|
Non-User
|
|
No
|
74
|
84
|
11
|
264
|
|
Yes
|
12
|
15
|
2
|
40
|
Osteoporosis / osteopenia
Proportion of na: 0%
|
|
No
|
Yes
|
|
No
|
340
|
93
|
|
Yes
|
60
|
9
|
Levels Previously operated - Lower
Proportion of na: 63.1%
|
|
C
|
Iliac
|
L
|
NA
|
S
|
T
|
|
No
|
6
|
8
|
91
|
279
|
43
|
6
|
|
Yes
|
1
|
5
|
16
|
38
|
8
|
1
|
LGap
Proportion of na: 2.7% 
RLL
Proportion of na: 2.7% 
Number of Interbody Fusions
Proportion of na: 0% 
Posterior Instrumented Fusion: Upper / Lower Levels
Proportion of na: 1.1%
|
|
L
|
L-Iliac
|
L-S
|
NA
|
S-Iliac
|
T
|
T-Iliac
|
T-L
|
T-S
|
|
No
|
82
|
53
|
62
|
0
|
0
|
4
|
171
|
46
|
15
|
|
Yes
|
2
|
11
|
5
|
6
|
1
|
0
|
34
|
9
|
1
|
LL-Lordosis Difference
Proportion of na: 2.7% 
Weight (kgs)_First Visit
Proportion of na: 1.3% 
Height (cm)_First Visit
Proportion of na: 1.5% 
Total surgical time st1+st2+st3
Proportion of na: 0% 
Alcohol/drug abuse
Proportion of na: 0%
|
|
No
|
Yes
|
|
No
|
419
|
14
|
|
Yes
|
67
|
2
|
Anemia or other blood disorders
Proportion of na: 0%
|
|
No
|
Yes
|
|
No
|
400
|
33
|
|
Yes
|
58
|
11
|
Osteoarthritis
Proportion of na: 0%
|
|
No
|
Yes
|
|
No
|
308
|
125
|
|
Yes
|
59
|
10
|
Mild vascular
Proportion of na: 0%
|
|
No
|
Yes
|
|
No
|
395
|
38
|
|
Yes
|
66
|
3
|
Depression / anxiety
Proportion of na: 0%
|
|
No
|
Yes
|
|
No
|
333
|
100
|
|
Yes
|
47
|
22
|
Diabetes with end organ damage
Proportion of na: 0%
Cardiac
Proportion of na: 0%
|
|
No
|
Yes
|
|
No
|
378
|
55
|
|
Yes
|
57
|
12
|
Hypertension
Proportion of na: 0%
|
|
No
|
Yes
|
|
No
|
255
|
178
|
|
Yes
|
49
|
20
|
Chronic pulmonary disease
Proportion of na: 0%
|
|
No
|
Yes
|
|
No
|
385
|
48
|
|
Yes
|
58
|
11
|
Nervous system disorders
Proportion of na: 0%
|
|
No
|
Yes
|
|
No
|
406
|
27
|
|
Yes
|
63
|
6
|
Renal
Proportion of na: 0%
|
|
No
|
Yes
|
|
No
|
396
|
37
|
|
Yes
|
63
|
6
|
Peripheral vascular disease
Proportion of na: 0%
|
|
No
|
Yes
|
|
No
|
416
|
17
|
|
Yes
|
65
|
4
|
Psychiatric / Behavioral
Proportion of na: 0%
|
|
No
|
Yes
|
|
No
|
416
|
17
|
|
Yes
|
69
|
0
|
Peptic ulcer
Proportion of na: 0%
Bladder incontinence
Proportion of na: 6.9%
|
|
NA
|
No
|
Yes
|
|
No
|
28
|
365
|
40
|
|
Yes
|
7
|
50
|
12
|
Bowel incontinence
Proportion of na: 6.9%
|
|
NA
|
No
|
Yes
|
|
No
|
28
|
364
|
41
|
|
Yes
|
7
|
55
|
7
|
Leg weakness
Proportion of na: 5.9%
|
|
NA
|
No
|
Yes
|
|
No
|
24
|
183
|
226
|
|
Yes
|
6
|
19
|
44
|
Loss of balance
Proportion of na: 6.3%
|
|
NA
|
No
|
Yes
|
|
No
|
26
|
209
|
198
|
|
Yes
|
6
|
22
|
41
|
NRS back - Leg pain - Average
Proportion of na: 4.7% 
Years with spine problems
Proportion of na: 7.5%
|
|
1-2 years
|
2-5 years
|
5-10 years
|
Greater than 10 years
|
Less than 1 year
|
less than 1yr
|
NA
|
|
No
|
24
|
48
|
54
|
271
|
4
|
2
|
30
|
|
Yes
|
3
|
3
|
9
|
46
|
0
|
0
|
8
|
ODI - Score (%)_First Visit
Proportion of na: 3.5% 
SRS22 - SRS Total score_First Visit
Proportion of na: 3.3% 
SF36 - PCS_First Visit
Proportion of na: 5.7% 
SF36 - MCS_First Visit
Proportion of na: 5.7% 
Major curve Cobb angle
Proportion of na: 4.7% 
SRS22 - SRS Subtotal score_First Visit
Proportion of na: 3.3% 
T1 Sagittal Tilt
Proportion of na: 9.1% 
Sagittal Balance
Proportion of na: 5.7% 
Global Tilt
Proportion of na: 3.9% 
Lordosis (top of L1-S1)
Proportion of na: 2.1% 
Pelvic Tilt
Proportion of na: 2.5% 
Propensity Scores Common Support
## Loading required package: lattice
##
## Attaching package: 'lattice'
## The following object is masked from 'package:boot':
##
## melanoma
Model Stats
- Treatment proportion: 0.137
- Model Type: elastic_net
- Accuracy: 0.9155439
- Params: alpha: 0.9625 lambda: 0.0050237

Model Coefficients
Bootstraping replicas: 50

Visual Inspection
## `geom_smooth()` using formula 'y ~ x'

## `geom_smooth()` using formula 'y ~ x'

## `geom_smooth()` using formula 'y ~ x'

## `geom_smooth()` using formula 'y ~ x'

## `geom_smooth()` using formula 'y ~ x'

## `geom_smooth()` using formula 'y ~ x'

## `geom_smooth()` using formula 'y ~ x'

## `geom_smooth()` using formula 'y ~ x'
